Home / 103,683,947.60-155,525,921.40-35,503,979.60

Finding the Fourth Proportional to 103,683,947.60, 155,525,921.40 and 35,503,979.60

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Solution

The fourth proportional to 103,683,947.60, 155,525,921.40 and 35,503,979.60 is: 53,255,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,683,947.60 : 155,525,921.40 = 35,503,979.60 : x
  2. Step 2: Convert to fraction form
    103,683,947.60/155,525,921.40 = 35,503,979.60/x
  3. Step 3: Cross multiply
    103,683,947.60x = 155,525,921.40 × 35,503,979.60
  4. Step 4: Simplify right side
    103,683,947.60x = 5,521,789,140,656,804
  5. Step 5: Solve for x
    x = 5,521,789,140,656,804/103,683,947.60
  6. Step 6: Final answer
    x = 53,255,969.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.